[PDI-10986] Cassandra Input Step Errors in DataStax Community 1.2.9.
[PDI-10986] Cassandra Input Step Errors in DataStax Community 1.2.9. Cleaned up code a bit.
[PDI-10986] Cassandra Input Step Errors in DataStax Community 1.2.9. Removed some code that was commented out.
Merge pull request #25 from m-a-hall/system-table-change-nightmare

[PDI-10986] Cassandra Input Step Errors in DataStax Community 1.2.9.